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  http://mozilla.org/MPL/2.0/.
  
  Copyright (c) [2024] Huawei Technologies Co.,Ltd.
  
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<h1 class="topictitle1">Restoring Files on an ECS</h1>
<div><p>This section describes how to restore files on an ECS by using the file-level restoration function.</p>
<div class="section"><h4 class="sectiontitle">Context</h4><ul id="EN-US_TOPIC_0000001839274577__en-us_topic_0000001792387972_ul1684123102616"><li id="EN-US_TOPIC_0000001839274577__en-us_topic_0000001792387972_li15684153110268">The <span id="EN-US_TOPIC_0000001839274577__en-us_topic_0000001792387972_text10124544712">OceanProtect</span> supports file-level restoration using backup copies and replication copies. Note that data cannot be restored to the original location when a replication copy is used.</li><li id="EN-US_TOPIC_0000001839274577__en-us_topic_0000001792387972_li2871134142617">The types of Linux file systems that can be restored are ext2/ext3/ext4 and XFS. The types of Windows file systems that can be restored are NTFS, FAT, and FAT32.</li></ul>
</div>
<div class="section"><h4 class="sectiontitle">Prerequisites</h4><ul><li>The IP address of the backup network plane has been configured for the target ECS to which files are to be restored.</li><li>If the target VM runs on the Windows OS, ensure that the CIFS service has been enabled on the VM. For details, visit the <a href="https://docs.microsoft.com/en-us/windows-server/storage/file-server/troubleshoot/detect-enable-and-disable-smbv1-v2-v3" target="_blank" rel="noopener noreferrer">Microsoft official website</a>.</li><li>If the target VM runs on a non-Windows OS, ensure that rsync has been installed and started on the target VM.</li></ul>
</div>
<div class="section"><h4 class="sectiontitle">Procedure</h4><ol><li><span>Choose <span class="uicontrol" id="EN-US_TOPIC_0000001839274577__en-us_topic_0000001839142377_uicontrol2088361125016"><b><span id="EN-US_TOPIC_0000001839274577__en-us_topic_0000001839142377_text38837195013"><strong>Explore</strong></span> &gt; <span id="EN-US_TOPIC_0000001839274577__en-us_topic_0000001839142377_text888319135019"><strong>Copy Data</strong></span> &gt; <span id="EN-US_TOPIC_0000001839274577__en-us_topic_0000001839142377_text01201142214"><strong>Cloud Platforms</strong></span> &gt; <span id="EN-US_TOPIC_0000001839274577__en-us_topic_0000001839142377_text2995643181015"><strong>Huawei Cloud Stack</strong></span></b></span>.</span></li><li><span>You can search for a copy by VM or copy. This section uses a VM as an example.</span><p><p id="EN-US_TOPIC_0000001839274577__en-us_topic_0000001792387972_p624620403810">Click <strong id="EN-US_TOPIC_0000001839274577__en-us_topic_0000001792387972_b1858284474018">Resources</strong> to switch to the corresponding page, search for the VM to be restored by name, and click the VM name.</p>
</p></li><li><span>Click <span class="uicontrol" id="EN-US_TOPIC_0000001839274577__en-us_topic_0000001792387972_uicontrol1812414562220"><b><span id="EN-US_TOPIC_0000001839274577__en-us_topic_0000001792387972_text2022513145564"><strong>Copy Data</strong></span></b></span> and select the year, month, and day in sequence to find the copy.</span><p><p id="EN-US_TOPIC_0000001839274577__en-us_topic_0000001792387972_p9918150182310">If <span><img id="EN-US_TOPIC_0000001839274577__en-us_topic_0000001792387972_image99531319193912" src="en-us_image_0000001839187161.png"></span> is displayed below a month or day, a copy is generated in the month or on the day.</p>
</p></li><li><span>Locate the copy to be restored and choose <span><strong>More</strong></span> &gt; <span><strong>File-level Restoration</strong></span>.</span><p><div class="note"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul><li>File-level restoration is supported only when the index status of the copy is <span class="uicontrol" id="EN-US_TOPIC_0000001839274577__en-us_topic_0000001792387972_uicontrol97339520371"><b><span id="EN-US_TOPIC_0000001839274577__en-us_topic_0000001792387972_text2731115273712"><strong>Indexed</strong></span></b></span>.</li><li>If automatic indexing has been enabled for the SLA associated with the VM corresponding to the copy, the index status of the copy is <span class="uicontrol" id="EN-US_TOPIC_0000001839274577__en-us_topic_0000001792387972_uicontrol297019162714"><b><span id="EN-US_TOPIC_0000001839274577__en-us_topic_0000001792387972_text597081112711"><strong>Indexed</strong></span></b></span>, and file-level restoration can be directly performed. If automatic indexing is disabled, click <span class="uicontrol" id="EN-US_TOPIC_0000001839274577__en-us_topic_0000001792387972_uicontrol1036516011116"><b><span id="EN-US_TOPIC_0000001839274577__en-us_topic_0000001792387972_text31091220421"><strong>Manually Create Index</strong></span></b></span> and then perform file-level restoration.</li><li>If the copy does not contain OS data, no index can be created for the copy. Therefore, the copy cannot be used for file-level restoration.</li><li>Reverse replication copies and archive copies do not support indexes.</li><li>During Huawei Cloud Stack backup, the mount point information that is not written into the <strong>/etc/fstab</strong> file is stored in the memory. The <span>OceanProtect</span> does not back up the information. Therefore, no index is generated for the files at the mount point, and file-level restoration is not supported. To generate indexes for new file systems and support file-level restoration, write the mount point information of the new file systems to the <strong>/etc/fstab</strong> file.</li></ul>
</div></div>
</p></li><li><span>Select the files to be restored and set restoration parameters.</span><p><div class="note"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul><li>If the name of a folder or file contains garbled characters, file-level restoration is not supported. Do not select folders or files of this type. Otherwise, the restoration job fails.</li><li>If the target ECS runs the Windows OS and only the SMBv1 service is enabled, the time of the restored file is the current ECS time.</li></ul>
</div></div>
<ul><li>Select the original location for restoration, that is, restore data to the original directory on the original ECS.<div class="p"><a href="#EN-US_TOPIC_0000001839274577__table9960822181311">Table 1</a> describes the related parameters.
<div class="tablenoborder"><a name="EN-US_TOPIC_0000001839274577__table9960822181311"></a><a name="table9960822181311"></a><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000001839274577__table9960822181311" width="90%" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Parameters for restoring data to the original location</caption><colgroup><col style="width:29.9%"><col style="width:70.1%"></colgroup><thead align="left"><tr><th align="left" class="cellrowborder" valign="top" width="29.9%" id="mcps1.3.4.2.5.2.2.1.1.2.2.3.1.1"><p>Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="70.1%" id="mcps1.3.4.2.5.2.2.1.1.2.2.3.1.2"><p>Description</p>
</th>
</tr>
</thead>
<tbody><tr><td class="cellrowborder" valign="top" width="29.9%" headers="mcps1.3.4.2.5.2.2.1.1.2.2.3.1.1 "><p><span><strong>Cloud Server IP Address</strong></span></p>
</td>
<td class="cellrowborder" valign="top" width="70.1%" headers="mcps1.3.4.2.5.2.2.1.1.2.2.3.1.2 "><div class="p" id="EN-US_TOPIC_0000001839274577__p49594222135">Select the configured backup network plane IP address.<div class="note" id="EN-US_TOPIC_0000001839274577__note13959142281314"><span class="notetitle"> NOTE: </span><div class="notebody"><p id="EN-US_TOPIC_0000001839274577__p1874334418">If the ECS IP address is not in the list, exit the current page. Then, choose <span class="uicontrol" id="EN-US_TOPIC_0000001839274577__uicontrol61481615124114"><b><span id="EN-US_TOPIC_0000001839274577__en-us_topic_0000001839142377_text635183444114"><strong>Protection</strong></span> &gt; Cloud Platforms &gt; Huawei Cloud Stack</b></span> and rescan the virtualization environment.</p>
</div></div>
</div>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="29.9%" headers="mcps1.3.4.2.5.2.2.1.1.2.2.3.1.1 "><p><span><strong>Cloud Server Username</strong></span></p>
</td>
<td class="cellrowborder" rowspan="2" valign="top" width="70.1%" headers="mcps1.3.4.2.5.2.2.1.1.2.2.3.1.2 "><div class="p" id="EN-US_TOPIC_0000001839274577__p196016226135">During file-level restoration, the target ECS needs to verify the login credential of the <span id="EN-US_TOPIC_0000001839274577__text11982215132215">OceanProtect</span>. Enter a username and password for logging in to the target ECS.<ul id="EN-US_TOPIC_0000001839274577__ul119609220135"><li id="EN-US_TOPIC_0000001839274577__li796017225136">Windows OS: The default username is <strong id="EN-US_TOPIC_0000001839274577__b18493022201419">Administrator</strong>.</li><li id="EN-US_TOPIC_0000001839274577__li1496012225130">Linux OS: The default username is <strong id="EN-US_TOPIC_0000001839274577__b1096019222138">root</strong>.</li></ul>
<div class="note" id="EN-US_TOPIC_0000001839274577__note322417291751"><span class="notetitle"> NOTE: </span><div class="notebody"><p id="EN-US_TOPIC_0000001839274577__p13324381436">The login user must have the read and write permissions on the directory to which data is to be restored on the target ECS.</p>
</div></div>
</div>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" headers="mcps1.3.4.2.5.2.2.1.1.2.2.3.1.1 "><p><span><strong>Cloud Server Password</strong></span></p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="29.9%" headers="mcps1.3.4.2.5.2.2.1.1.2.2.3.1.1 "><p><span><strong>Overwrite Rule</strong></span></p>
</td>
<td class="cellrowborder" valign="top" width="70.1%" headers="mcps1.3.4.2.5.2.2.1.1.2.2.3.1.2 "><div class="p">If a file with the same name exists in the restoration path, you can choose to replace or skip the existing file.<ul id="EN-US_TOPIC_0000001839274577__en-us_topic_0000001792387972_ul138776497307"><li id="EN-US_TOPIC_0000001839274577__en-us_topic_0000001792387972_li1087714914306"><span id="EN-US_TOPIC_0000001839274577__en-us_topic_0000001792387972_text2877849173018"><strong>Replace existing files</strong></span></li><li id="EN-US_TOPIC_0000001839274577__en-us_topic_0000001792387972_li1287717497308"><span id="EN-US_TOPIC_0000001839274577__en-us_topic_0000001792387972_text148771149123013"><strong>Skip existing files</strong></span>: Files with the same names are skipped and are not replaced.</li><li id="EN-US_TOPIC_0000001839274577__en-us_topic_0000001792387972_li68771149143011"><span id="EN-US_TOPIC_0000001839274577__en-us_topic_0000001792387972_text5877184993017"><strong>Only replace the files older than the restoration file</strong></span><div class="note" id="EN-US_TOPIC_0000001839274577__en-us_topic_0000001792387972_note98771049113012"><span class="notetitle"> NOTE: </span><div class="notebody"><p id="EN-US_TOPIC_0000001839274577__en-us_topic_0000001792387972_p15877144918305">If the access to the file with the same name on the target VM is denied, the file fails to be restored during file replacement.</p>
</div></div>
</li></ul>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</div>
</li><li>Select a new location for restoration, that is, restore data to a specified VM.<p><a href="#EN-US_TOPIC_0000001839274577__table14691181871520">Table 2</a> describes the related parameters.</p>

<div class="tablenoborder"><a name="EN-US_TOPIC_0000001839274577__table14691181871520"></a><a name="table14691181871520"></a><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000001839274577__table14691181871520" frame="border" border="1" rules="all"><caption><b>Table 2 </b>Parameters for restoring data to a new location</caption><colgroup><col style="width:22.75%"><col style="width:77.25%"></colgroup><thead align="left"><tr><th align="left" class="cellrowborder" valign="top" width="22.75%" id="mcps1.3.4.2.5.2.2.2.2.2.3.1.1"><p>Parameter</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="77.25%" id="mcps1.3.4.2.5.2.2.2.2.2.3.1.2"><p>Description</p>
</th>
</tr>
</thead>
<tbody><tr><td class="cellrowborder" valign="top" width="22.75%" headers="mcps1.3.4.2.5.2.2.2.2.2.3.1.1 "><p><span><strong>Target Cloud Platform</strong></span></p>
</td>
<td class="cellrowborder" valign="top" width="77.25%" headers="mcps1.3.4.2.5.2.2.2.2.2.3.1.2 "><p>Select the cloud platform to which the data is restored.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="22.75%" headers="mcps1.3.4.2.5.2.2.2.2.2.3.1.1 "><p><span><strong>Cloud Platform Tenant</strong></span></p>
</td>
<td class="cellrowborder" valign="top" width="77.25%" headers="mcps1.3.4.2.5.2.2.2.2.2.3.1.2 "><p>Select a cloud platform tenant.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="22.75%" headers="mcps1.3.4.2.5.2.2.2.2.2.3.1.1 "><p><span><strong>Region</strong></span></p>
</td>
<td class="cellrowborder" valign="top" width="77.25%" headers="mcps1.3.4.2.5.2.2.2.2.2.3.1.2 "><p>Select the region to which the data is restored.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="22.75%" headers="mcps1.3.4.2.5.2.2.2.2.2.3.1.1 "><p><span><strong>Project/Resource Set</strong></span></p>
</td>
<td class="cellrowborder" valign="top" width="77.25%" headers="mcps1.3.4.2.5.2.2.2.2.2.3.1.2 "><p>Select the project/resource set to which the data is restored.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="22.75%" headers="mcps1.3.4.2.5.2.2.2.2.2.3.1.1 "><p><span><strong>Cloud Server</strong></span></p>
</td>
<td class="cellrowborder" valign="top" width="77.25%" headers="mcps1.3.4.2.5.2.2.2.2.2.3.1.2 "><p>Select the ECS to which the data is restored.</p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="22.75%" headers="mcps1.3.4.2.5.2.2.2.2.2.3.1.1 "><p><span><strong>Cloud Server IP Address</strong></span></p>
</td>
<td class="cellrowborder" valign="top" width="77.25%" headers="mcps1.3.4.2.5.2.2.2.2.2.3.1.2 "><div class="p">Select the configured backup network plane IP address.<div class="note" id="EN-US_TOPIC_0000001839274577__en-us_topic_0000001839274577_note13959142281314"><span class="notetitle"> NOTE: </span><div class="notebody"><p id="EN-US_TOPIC_0000001839274577__en-us_topic_0000001839274577_p1874334418">If the ECS IP address is not in the list, exit the current page. Then, choose <span class="uicontrol" id="EN-US_TOPIC_0000001839274577__en-us_topic_0000001839274577_uicontrol61481615124114"><b><span id="EN-US_TOPIC_0000001839274577__en-us_topic_0000001839274577_en-us_topic_0000001839142377_text635183444114"><strong>Protection</strong></span> &gt; Cloud Platforms &gt; Huawei Cloud Stack</b></span> and rescan the virtualization environment.</p>
</div></div>
</div>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="22.75%" headers="mcps1.3.4.2.5.2.2.2.2.2.3.1.1 "><p><span><strong>Cloud Server Username</strong></span></p>
</td>
<td class="cellrowborder" rowspan="2" valign="top" width="77.25%" headers="mcps1.3.4.2.5.2.2.2.2.2.3.1.2 "><div class="p">During file-level restoration, the target ECS needs to verify the login credential of the <span id="EN-US_TOPIC_0000001839274577__en-us_topic_0000001839274577_text11982215132215">OceanProtect</span>. Enter a username and password for logging in to the target ECS.<ul id="EN-US_TOPIC_0000001839274577__en-us_topic_0000001839274577_ul119609220135"><li id="EN-US_TOPIC_0000001839274577__en-us_topic_0000001839274577_li796017225136">Windows OS: The default username is <strong id="EN-US_TOPIC_0000001839274577__en-us_topic_0000001839274577_b18493022201419">Administrator</strong>.</li><li id="EN-US_TOPIC_0000001839274577__en-us_topic_0000001839274577_li1496012225130">Linux OS: The default username is <strong id="EN-US_TOPIC_0000001839274577__en-us_topic_0000001839274577_b1096019222138">root</strong>.</li></ul>
<div class="note" id="EN-US_TOPIC_0000001839274577__en-us_topic_0000001839274577_note322417291751"><span class="notetitle"> NOTE: </span><div class="notebody"><p id="EN-US_TOPIC_0000001839274577__en-us_topic_0000001839274577_p13324381436">The login user must have the read and write permissions on the directory to which data is to be restored on the target ECS.</p>
</div></div>
</div>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" headers="mcps1.3.4.2.5.2.2.2.2.2.3.1.1 "><p><span><strong>Cloud Server Password</strong></span></p>
</td>
</tr>
<tr><td class="cellrowborder" valign="top" width="22.75%" headers="mcps1.3.4.2.5.2.2.2.2.2.3.1.1 "><p><span><strong>Overwrite Rule</strong></span></p>
</td>
<td class="cellrowborder" valign="top" width="77.25%" headers="mcps1.3.4.2.5.2.2.2.2.2.3.1.2 "><div class="p">If a file with the same name exists in the restoration path, you can choose to replace or skip the existing file.<ul id="EN-US_TOPIC_0000001839274577__en-us_topic_0000001792387972_ul138776497307_1"><li id="EN-US_TOPIC_0000001839274577__en-us_topic_0000001792387972_li1087714914306_1"><span id="EN-US_TOPIC_0000001839274577__en-us_topic_0000001792387972_text2877849173018_1"><strong>Replace existing files</strong></span></li><li id="EN-US_TOPIC_0000001839274577__en-us_topic_0000001792387972_li1287717497308_1"><span id="EN-US_TOPIC_0000001839274577__en-us_topic_0000001792387972_text148771149123013_1"><strong>Skip existing files</strong></span>: Files with the same names are skipped and are not replaced.</li><li id="EN-US_TOPIC_0000001839274577__en-us_topic_0000001792387972_li68771149143011_1"><span id="EN-US_TOPIC_0000001839274577__en-us_topic_0000001792387972_text5877184993017_1"><strong>Only replace the files older than the restoration file</strong></span><div class="note" id="EN-US_TOPIC_0000001839274577__en-us_topic_0000001792387972_note98771049113012_1"><span class="notetitle"> NOTE: </span><div class="notebody"><p id="EN-US_TOPIC_0000001839274577__en-us_topic_0000001792387972_p15877144918305_1">If the access to the file with the same name on the target VM is denied, the file fails to be restored during file replacement.</p>
</div></div>
</li></ul>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</li></ul>
</p></li><li><span>Click <span class="uicontrol" id="EN-US_TOPIC_0000001839274577__en-us_topic_0000001792387972_uicontrol18891938492"><b><span id="EN-US_TOPIC_0000001839274577__en-us_topic_0000001792387972_text1252310490912"><strong>Test</strong></span></b></span> and ensure that the target VM to be restored is properly connected to the <span id="EN-US_TOPIC_0000001839274577__en-us_topic_0000001792387972_text12612599715">OceanProtect</span>.</span></li><li><span>Click <span class="uicontrol"><b><span><strong>OK</strong></span></b></span>.</span></li></ol>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0000001792555292.html">Restoration</a></div>
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